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NIGH
WALL MOUHT 80/LER
0 NOx . -,� �
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STAINLESS STEEL ' � � ' , _ - -
FIRE TUBE HEAT EXCHANGER �' , .
SMART Y � — �
OPERATING CONTROL FEATURING
A BUILT-IN CASCADING SEQUENCER
7 MODELS: 55,000 — 399,999 BTU/HR
FIRWG RATE MODULATION T0 5:1
LESS THAN 20 ppm NOx
DIRECTVENT FLEXIBILITYTO 100 FEET 95% AFUE
Most Efficient EFFI�CIENCY
2013
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Lochinvar.com
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WALL MOVNT BOILER
THE S11I�ARTEST C:HOICE FOR COI�DE�ISING BOILER PERFORMANCE
The KNIGHT�Wall Mount, engineered with Lochinvar's excUusive SMAR�SYSTEMTM control and an array of other innovative
features is far ahead of any heating boiler in its class.ft promises and'deiivers ultimate ease of installation and maintenance.
With up to 99% efficiency, low-NOx emission5 and a fiully modulating burner, it is the best "green choice" for today's
environmentally focused market.
Seven modulating/condensing stain(ess steel KNIGHT Wall Mount boilers are available with 55,000-399,999 Btu/hr inputs
in a space-saving wall-mounted design.At�l are equipped for direct-vent installation with air intake and exhaust runs up tc�
100 feet using PVC,CPVC,Polypropylene orAL29-4C vent materials.This range of choices is ideal for residential or light-duty
applications such �s small hotels,seh;ools and office buildings. For higher-demand applications, up to eight KNIGHT Wall
Mount units can be installed utilizing the built-in cascading sequencer to deliver up to 3.2 million Btu/hr heating capacity.
� The new KNIGHT Wall Mount Boiler reflects Lochinvar's constant commitment to providing all the
options you need to serve every application.
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-��' �ali�s�yn allows for minimal head
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An outstan�t�ng ai�n ' �� it��l�e�m#���ci,��mb�tis�n chamber. Byfiaving the combustion
� Chambef SuCt'oundt�*d I��y� ,�_ ,_ _J ��,��;�;��a�ing surfate area.This larger heating surface
1 allavits f�r�ffici�n��s_'�,�l� _; ;
�►�' � !LLY MODU�LATIN'G �BU''R�F�'ER' �
� ''��r,'�� SMART SYSTEM allows fully modulating combustion with S:1 tumdown.The burner can fire as low as
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6'a ' 0%of maximum input and modulates the firing rate up to 100%as demand increases.The burner is a
single stainless steel assembly covered with woven steel mesh and fires in a 360°pattern along the
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�'IRECT�/EI'VT1N� UP T� �Qf� �EET oPCro�ais�aewattve�c
Termination Kit Available
KNIGHT offers 5 venting options and tremendqus flexibility for
placement of units within the building,because it permits direct-vent
air intake and exhaust runs up to 100 equi�alent feet using either PVC,
CPVC,Polypropylene or AL29-4C stainless steel vent pipe. A sidewall ve.nt'tetmination kit is
standard equipment with every KNIGHT boiler. �
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SMART �
REFINED DESIGN PUTS MORE:
� AND INFORMATION AT YOUR F1'
A�clvan�ed featt�res ir�cl��t�es ���`1
• MULT'f-004QR GRAPHIC LCD DISPLAY �
• NAVIGATION D1AL
• USB PoRr , � '
• ABIUTYTO CONTROL UP TO THREE DIFfERENT
• SETPOINTTEMPERATURES ' ' ' ��i ����� , _ ,
COMPATIBILITYWITH COPPER-FIN II NON-CONDENSIN�BOILER �� --����
TO CREATE A fRONT EN D LOADI NG SYSTEM y�_ ; .,,_, �,; �� ��,
• BOILERS WITM DIFFERENT INPUTS,CAM BE CA,SCAQEp TQ¢�TH.� J •!� "'�[ u'
TO MAXIMIZE BOILER PLANT�, I +' �� - `
• MODBUS CAPABILITY�QP'�!� r �� . � + ■ � , • ��r,;
• DHINMODU4ATION LIM11�Ir� '+ �` F� " " " �� � "
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• DHWNi�HrSersatic* ��.� � � , , -�' � – _ �'
• 0-30 V BOI LER RATE OUTPUT AT-A-G LA N C E C O LO R C O D I N G
• 0-10 V SIGNALTO CONTROLVARIABLE SPEED BQICER PUMP*
• 0-10 VSYSTEM PUMP SIGNAL INPUY"' �� �-� �_
• HEAT DEMAND FROM 0-10V INPUT
• INSTALLER CAN PROGRAM NAME AND NUMBER INTO THE BOILER ly. r. ,�.,;�; I� r„�. � .� �..�-�.?r,
• INSTALLER ADJUSTABLE FREEZE PROTECTION PARAMETERS - � � - � - � "
• SEPARATELYADJUSTABLE SH�DHW SWITCHING TIMES* BLUE SCREEN YELLOW SCREEN RED SCREEN
• INSTALLER ACCESS TO BMS AND RAMP DELAY SEiTINGS Normal system Maintenance due-shows Lockout mode.
*EXCLUSIVETOLOCHlNVARSMARTSYSTEM operation. the installer's name and
number on the display.
NEW SELECTABLE CASCADE OPTIONS
When multiple KNIGHT boilers are installed together, the SMART SYSTEM built-in sequencer can
be set for"Lead-Lag" cascade or"Effic'r��nc�Q� ' .�zed"c�t�cade operation.
LEAD-LAG CASCADE - i _ '�' �FF#C,I�EN!.CY OPTIMIZED CASCADE = ''�
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The"lead"boiler modulates with demand to capaciry. This feature optimizes the modulation capabilities of the
As demand increases,additional boilers fire and modulate to Boiler Plant white evenly distributing.run time across aU
capacity.This continues,with add'rtional boilers firing and cascaded boilers,Every 24 hours the SMART SYSTEM
modutatingto capacity until all units are operating.Every 34 aulomatically shifts the lst boiler on role to the next in
hours,the SMART SYSTEM aufomatically shifts the[ead boiler the sequence,distributing run time equally.
role to the next in the sequence,distributing lead•6ag runtimes
e(�Ua��y. SMARTSYSIEM Coscade allows 2-8 bailers(o be sequenced.
5 FLEXI B LE VENTI N G O PTI O N S Concentric�irectvent �oncentric�irectvent
Direct Vent Sidewall Direct VeM Vertical Vertical w/Sidewall Air Vertical* Sidewall*
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ICNIGHT WALL-MOUNT�OVCER DIMENSiONS AND SPECI�ICAYiONS
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AIR
�N INLET LOW VOLTAGE
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L ' �1 p CONNECTIONS
- - �- HIGH VOLTAGE
ELECTRICAL
FLUE �/ Op � CONNECTIONS
RELIEF � A � �
VALVE � �NLET O CONDENSATE
�RAIN
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�KNiGHa HEATING BOILER � DIMENSIONSAND SPEUFICATIONS
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WHNOSS SS 11 95.0 51 d1 ;;-1 { 18 1;2" 16 1'���a" �0 1? ;12� a �1;�„ , 14 1?' i;'d" �I' ,
WHN085 85 11__ 95.0 79 —b9 33-1'4"18 1I2" 1`e' 11-3;4' 10 I 2' 6-1i2' �1„ 1 il1„ 3„ 14-117 S 3/4" 4„ 3 �b lA�S' I/2'� � � ���
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WHN110 110 22 95.0 102 89 33-1/4"18-1/2° 19 141/2" 10-3/4" 1-3/4" 7-3/4"2-1/4" 10" 15-1R„ 5„ 3-1/4„ 3" 1(rl/Y'2-3/4" 1/2" 1„ ;„ 3„ 159
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WHN1S5 i5S 31 95.0 144 12S 33-1/4"18-1R" 19" 141/2" ia3l4" 7-3/4" 7-3/4" 2-1/4" 10" 15-12„ 5„ 3-1/4"3" iG1R"2-3/4" 1!Y' 1" 3" 3" 166
WHN199 199.9 40 95.0 184 760 33-1l4"18-1R" 19" 141R" 11d/4" 8" 8" 1-1/4" 10" 163/4" 4-3/4" 3-1/4"23/4"1fr1R"3„ 12" 1-1/4" 3" 3" 175
WHN28S 285 51 95.0 264 229 33-1/4"18-1/2" 19" 141R" 11-3/4" S" B" 1-1/4" 10" 16-3/4" 43/4" 3-1/4"2d/4"16-1R"3" 1/Y' 1-1/4" 3" 3" 184
WHN399 400 80 94.4"* 380 323 35-1f1„S„ 21-3/4"17-1/2" 12-1/Y' 9-1/4" 9-1/2"2-1/4" 13-1/4" 21-1/2" 9" 43/4"4" 22-1R"3-3/4" 3(4" 1-1/2" 4" 4" 213
Notes:Indoor insfalla[ion only.All information subject to chonge.Change"N"to"L"for LP gas models.'WHN399 value is Thermal E�ciency
SMART SYSTEM�• FEATURES STANDARD FEATURES
>SMART SYSTEM Digital Operating Control >Auess to BMS Settings through Graphic >ENERGY STAR Most Efficient Recognition4
LCD Display
>Multi-Color Graphic LCD Display >95%DOE AFUE Efficiency§
with Navigation Dial and Soft Keys >High-Voltage Terminal5trip
>120 VAC/60 Hertz/1 Phase Power Su >Modulating Burner with 5:1 Turndown
>Three Boiler Setpoint Temperature Inputs PP�y >Direct-Spark Ignition
>Plus Domestic Hot Water Prioritization >Three Sets of Pump Contacts
>Built-in Cascading Sequencer for >Low Voltage Terminal Strip >Low•NOx Operation
up to 8 Boilers >24 VAC Device Relay >Field Convertible from Natural to LP Gas
>Multiple Size Boiler Cascade >Proving Switch Contacts >ASME Stainless Steel Heat Exchanger
>Lead Lag >Flow Switch Contacts >30 psi ASME Relief Valve
>Efficiency Optimization >Alarm on Any Failure Contacts >Vertical&Horizontal Direct-Vent
>Front End Loading Capability with Copper Fin II >Runtime Contacts >PVC,CPVC,Polypropylene or SS Venting up
>Outdoor Reset Control with Outdoor >DHW Thermostat Contacts to 100 feet
Air Sensor >Smart System Control
>3 Space Heat Thermostat Contacts >Condensate Trap
>Programmable for Three Reset >System Sensor Contacts
Temperature Inputs >DHW Tank Sensor Contacts >Other Features
>Programmable System Efficiency Optimizers >Outdoor Air Sensor Contacts >Automatic Reset High Limit
>Night Setback >Adjustable High Limit w/Manual Reset
g >Cascade Contacts >Boiler Cirwlating Pump
>DHW Ni ht Setback* >0-10 VDC BMS External Control Contact
>Anti•Cycling >Wall•Mount Bracket
>0-10 VDC Boiler Rate Output Contacts >Zero Cfearances to Combustible Materials
>Outdoor Air Reset Curve >0-10 VDC Variable Speed System Pump
>Ramp Delay Signal Input' >12-Year Limited Warranty
>Boost Temperature&Time >0-10 VDC Signal to Control Variable �See Warranty for Details)
•Three Pump Control Speed Boiler Pump* �PTIONAL EQUIPMENT
>System Pump with Parameter for >Modbus Contacts >Modbus Communication
Continuous Operation >Time Clock
>Boiler Pump with Variable Speed >Flow Switch
* >Data Logging
Pump Control >Low-Water Cutoff w/Manual Reset&Test
>Hours Running,Space Heating >Alarm Befl
>Domestic Hot Water Pump >Hours Running,Domestic Hot Water
>Domestic Hot Water Prioritization >Concentric Vent Kit
>Ignition Attempts >SMART SYSTEM PC Software
>DHW tank piped with priority in >Last 10 Lockouts
the boiler loop >Condensate Neutralization Kit
>DHW tank piped as a zone in the >Maintenance Reminder >BMS Gateway to LON or BacNet
system with the pumps controlfed >Custom Maintenance Reminderwith
by the Smart System Contractor Contact Information >Multi-Temperature Loop Control
>InstallerAbilit >Sidewall Vent Termination
>DHW Modulation Limiting y to De-activate
>Separately Adjustable Space Heat/DHW Service Reminder
SwitchingTimes* >Low-WaterFlowSafetyControl&Indication FIRING CODES
>M9 Standard Construction
>Building Management System Integration >Password Security >M7 California Code
>0-10 VDC Input to Control Modulation >Customizable Freeze Protection Parameters
or Set Point
>0-10 VDC Modulation Rate Output *Exc(usive%oture,avoilable only�rom Lochinvar
�0-10 VDC Input to Enable/Disable call for heat §wHN 55-za5 on(y
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